#include <iostream>
#include <string>
#include <vector>
using namespace std;

int main(int argc, char const *argv[]) {
  /* code */
  vector<int> v1;
  if (v1.size() > 0) {
    for (int i = 0; i < v1.size(); i++) {
      cout << "v1:" << v1[i] << endl;
    }
  }
  /* code */
  vector<int> v2(10);
  if (v2.size() > 0) {
    for (int i = 0; i < v2.size(); i++) {
      cout << "v2:" << v2[i] << endl;
    }
  }
  /* code */
  vector<int> v3(10, 42);
  if (v3.size() > 0) {
    for (int i = 0; i < v3.size(); i++) {
      cout << "v3:" << v3[i] << endl;
    }
  }
  /* code */
  vector<int> v4{10};
  if (v4.size() > 0) {
    for (int i = 0; i < v4.size(); i++) {
      cout << "v4:" << v4[i] << endl;
    }
  }

  /* code */
  vector<int> v5{10, 42};
  if (v5.size() > 0) {
    for (int i = 0; i < v5.size(); i++) {
      cout << "v5:" << v5[i] << endl;
    }
  }
  /* code */
  vector<string> v6{10};
  if (v6.size() > 0) {
    for (int i = 0; i < v6.size(); i++) {
      cout << "v6:" << v6[i] << endl;
    }
  }
  /* code */
  vector<string> v7{10, "hi"};
  if (v6.size() > 0) {
    for (int i = 0; i < v7.size(); i++) {
      cout << "v7:" << v7[i] << endl;
    }
  }
  return 0;
}
